From: Tomas Winkler Date: Mon, 15 Oct 2012 10:06:48 +0000 (+0200) Subject: mei: kill usless struct mei_io_list X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=fb601adb350f82738210c0a1dc6af928a15391db;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git mei: kill usless struct mei_io_list kill useless mei_io_list list wrapper and use directly struct mei_cl_cb mei_cb which was its only member for managing io queues Signed-off-by: Tomas Winkler Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c index 98f1430e3e14..2275cf03badd 100644 --- a/drivers/misc/mei/init.c +++ b/drivers/misc/mei/init.c @@ -47,35 +47,23 @@ const uuid_le mei_amthi_guid = UUID_LE(0x12f80028, 0xb4b7, 0x4b2d, 0xac, 0xa8, 0x46, 0xe0, 0xff, 0x65, 0x81, 0x4c); -/** - * mei_io_list_init - Sets up a queue list. - * - * @list: An instance io list structure - * @dev: the device structure - */ -void mei_io_list_init(struct mei_io_list *list) -{ - /* initialize our queue list */ - INIT_LIST_HEAD(&list->mei_cb.cb_list); -} - /** * mei_io_list_flush - removes list entry belonging to cl. * * @list: An instance of our list structure * @cl: private data of the file object */ -void mei_io_list_flush(struct mei_io_list *list, struct mei_cl *cl) +void mei_io_list_flush(struct mei_cl_cb *list, struct mei_cl *cl) { struct mei_cl_cb *pos; struct mei_cl_cb *next; - list_for_each_entry_safe(pos, next, &list->mei_cb.cb_list, cb_list) { + list_for_each_entry_safe(pos, next, &list->list, list) { if (pos->file_private) { struct mei_cl *cl_tmp; cl_tmp = (struct mei_cl *)pos->file_private; if (mei_cl_cmp_id(cl, cl_tmp)) - list_del(&pos->cb_list); + list_del(&pos->list); } } } @@ -351,9 +339,8 @@ void mei_reset(struct mei_device *dev, int interrupts_enabled) } } /* remove all waiting requests */ - list_for_each_entry_safe(cb_pos, cb_next, - &dev->write_list.mei_cb.cb_list, cb_list) { - list_del(&cb_pos->cb_list); + list_for_each_entry_safe(cb_pos, cb_next, &dev->write_list.list, list) { + list_del(&cb_pos->list); mei_free_cb_private(cb_pos); } } @@ -685,7 +672,7 @@ int mei_disconnect_host_client(struct mei_device *dev, struct mei_cl *cl) if (!cb) return -ENOMEM; - INIT_LIST_HEAD(&cb->cb_list); + mei_io_list_init(cb); cb->file_private = cl; cb->major_file_operations = MEI_CLOSE; if (dev->mei_host_buffer_is_empty) { @@ -696,11 +683,11 @@ int mei_disconnect_host_client(struct mei_device *dev, struct mei_cl *cl) goto free; } mdelay(10); /* Wait for hardware disconnection ready */ - list_add_tail(&cb->cb_list, &dev->ctrl_rd_list.mei_cb.cb_list); + list_add_tail(&cb->list, &dev->ctrl_rd_list.list); } else { dev_dbg(&dev->pdev->dev, "add disconnect cb to control write list\n"); - list_add_tail(&cb->cb_list, - &dev->ctrl_wr_list.mei_cb.cb_list); + list_add_tail(&cb->list, &dev->ctrl_wr_list.list); + } mutex_unlock(&dev->device_lock); diff --git a/drivers/misc/mei/interrupt.c b/drivers/misc/mei/interrupt.c index 320ebd2f06ce..54d6f1a1dbc9 100644 --- a/drivers/misc/mei/interrupt.c +++ b/drivers/misc/mei/interrupt.c @@ -87,9 +87,8 @@ static void _mei_cmpl_iamthif(struct mei_device *dev, struct mei_cl_cb *cb_pos) memcpy(cb_pos->response_buffer.data, dev->iamthif_msg_buf, dev->iamthif_msg_buf_index); - list_add_tail(&cb_pos->cb_list, - &dev->amthi_read_complete_list.mei_cb.cb_list); - dev_dbg(&dev->pdev->dev, "amthi read completed.\n"); + list_add_tail(&cb_pos->list, &dev->amthi_read_complete_list.list); + dev_dbg(&dev->pdev->dev, "amthi read completed\n"); dev->iamthif_timer = jiffies; dev_dbg(&dev->pdev->dev, "dev->iamthif_timer = %ld\n", dev->iamthif_timer); @@ -112,7 +111,7 @@ static void _mei_cmpl_iamthif(struct mei_device *dev, struct mei_cl_cb *cb_pos) * * returns 0 on success, <0 on failure. */ -static int mei_irq_thread_read_amthi_message(struct mei_io_list *complete_list, +static int mei_irq_thread_read_amthi_message(struct mei_cl_cb *complete_list, struct mei_device *dev, struct mei_msg_hdr *mei_hdr) { @@ -155,8 +154,7 @@ static int mei_irq_thread_read_amthi_message(struct mei_io_list *complete_list, /* found the iamthif cb */ dev_dbg(&dev->pdev->dev, "complete the amthi read cb.\n "); dev_dbg(&dev->pdev->dev, "add the amthi read cb to complete.\n "); - list_add_tail(&cb->cb_list, - &complete_list->mei_cb.cb_list); + list_add_tail(&cb->list, &complete_list->list); } return 0; } @@ -188,7 +186,7 @@ static int _mei_irq_thread_state_ok(struct mei_cl *cl, * * returns 0 on success, <0 on failure. */ -static int mei_irq_thread_read_client_message(struct mei_io_list *complete_list, +static int mei_irq_thread_read_client_message(struct mei_cl_cb *complete_list, struct mei_device *dev, struct mei_msg_hdr *mei_hdr) { @@ -197,11 +195,10 @@ static int mei_irq_thread_read_client_message(struct mei_io_list *complete_list, unsigned char *buffer = NULL; dev_dbg(&dev->pdev->dev, "start client msg\n"); - if (list_empty(&dev->read_list.mei_cb.cb_list)) + if (list_empty(&dev->read_list.list)) goto quit; - list_for_each_entry_safe(cb_pos, cb_next, - &dev->read_list.mei_cb.cb_list, cb_list) { + list_for_each_entry_safe(cb_pos, cb_next, &dev->read_list.list, list) { cl = (struct mei_cl *)cb_pos->file_private; if (cl && _mei_irq_thread_state_ok(cl, mei_hdr)) { cl->reading_state = MEI_READING; @@ -210,7 +207,7 @@ static int mei_irq_thread_read_client_message(struct mei_io_list *complete_list, if (cb_pos->response_buffer.size < mei_hdr->length + cb_pos->buf_idx) { dev_dbg(&dev->pdev->dev, "message overflow.\n"); - list_del(&cb_pos->cb_list); + list_del(&cb_pos->list); return -ENOMEM; } if (buffer) @@ -219,15 +216,15 @@ static int mei_irq_thread_read_client_message(struct mei_io_list *complete_list, cb_pos->buf_idx += mei_hdr->length; if (mei_hdr->msg_complete) { cl->status = 0; - list_del(&cb_pos->cb_list); + list_del(&cb_pos->list); dev_dbg(&dev->pdev->dev, "completed read H cl = %d, ME cl = %d, length = %lu\n", cl->host_client_id, cl->me_client_id, cb_pos->buf_idx); - list_add_tail(&cb_pos->cb_list, - &complete_list->mei_cb.cb_list); + list_add_tail(&cb_pos->list, + &complete_list->list); } break; @@ -291,7 +288,7 @@ static int _mei_irq_thread_iamthif_read(struct mei_device *dev, s32 *slots) static int _mei_irq_thread_close(struct mei_device *dev, s32 *slots, struct mei_cl_cb *cb_pos, struct mei_cl *cl, - struct mei_io_list *cmpl_list) + struct mei_cl_cb *cmpl_list) { if ((*slots * sizeof(u32)) < (sizeof(struct mei_msg_hdr) + sizeof(struct hbm_client_disconnect_request))) @@ -302,15 +299,13 @@ static int _mei_irq_thread_close(struct mei_device *dev, s32 *slots, if (mei_disconnect(dev, cl)) { cl->status = 0; cb_pos->buf_idx = 0; - list_move_tail(&cb_pos->cb_list, - &cmpl_list->mei_cb.cb_list); + list_move_tail(&cb_pos->list, &cmpl_list->list); return -EMSGSIZE; } else { cl->state = MEI_FILE_DISCONNECTING; cl->status = 0; cb_pos->buf_idx = 0; - list_move_tail(&cb_pos->cb_list, - &dev->ctrl_rd_list.mei_cb.cb_list); + list_move_tail(&cb_pos->list, &dev->ctrl_rd_list.list); cl->timer_count = MEI_CONNECT_TIMEOUT; } @@ -357,7 +352,7 @@ static void mei_client_connect_response(struct mei_device *dev, { struct mei_cl *cl; - struct mei_cl_cb *cb_pos = NULL, *cb_next = NULL; + struct mei_cl_cb *pos = NULL, *next = NULL; dev_dbg(&dev->pdev->dev, "connect_response:\n" @@ -383,17 +378,16 @@ static void mei_client_connect_response(struct mei_device *dev, dev->iamthif_state = MEI_IAMTHIF_IDLE; return; } - list_for_each_entry_safe(cb_pos, cb_next, - &dev->ctrl_rd_list.mei_cb.cb_list, cb_list) { + list_for_each_entry_safe(pos, next, &dev->ctrl_rd_list.list, list) { - cl = (struct mei_cl *)cb_pos->file_private; + cl = (struct mei_cl *)pos->file_private; if (!cl) { - list_del(&cb_pos->cb_list); + list_del(&pos->list); return; } - if (MEI_IOCTL == cb_pos->major_file_operations) { + if (MEI_IOCTL == pos->major_file_operations) { if (is_treat_specially_client(cl, rs)) { - list_del(&cb_pos->cb_list); + list_del(&pos->list); cl->status = 0; cl->timer_count = 0; break; @@ -412,7 +406,7 @@ static void mei_client_disconnect_response(struct mei_device *dev, struct hbm_client_connect_response *rs) { struct mei_cl *cl; - struct mei_cl_cb *cb_pos = NULL, *cb_next = NULL; + struct mei_cl_cb *pos = NULL, *next = NULL; dev_dbg(&dev->pdev->dev, "disconnect_response:\n" @@ -423,12 +417,11 @@ static void mei_client_disconnect_response(struct mei_device *dev, rs->host_addr, rs->status); - list_for_each_entry_safe(cb_pos, cb_next, - &dev->ctrl_rd_list.mei_cb.cb_list, cb_list) { - cl = (struct mei_cl *)cb_pos->file_private; + list_for_each_entry_safe(pos, next, &dev->ctrl_rd_list.list, list) { + cl = (struct mei_cl *)pos->file_private; if (!cl) { - list_del(&cb_pos->cb_list); + list_del(&pos->list); return; } @@ -436,7 +429,7 @@ static void mei_client_disconnect_response(struct mei_device *dev, if (cl->host_client_id == rs->host_addr && cl->me_client_id == rs->me_addr) { - list_del(&cb_pos->cb_list); + list_del(&pos->list); if (!rs->status) cl->state = MEI_FILE_DISCONNECTED; @@ -822,12 +815,12 @@ static void mei_irq_thread_read_bus_message(struct mei_device *dev, static int _mei_irq_thread_read(struct mei_device *dev, s32 *slots, struct mei_cl_cb *cb_pos, struct mei_cl *cl, - struct mei_io_list *cmpl_list) + struct mei_cl_cb *cmpl_list) { if ((*slots * sizeof(u32)) < (sizeof(struct mei_msg_hdr) + sizeof(struct hbm_flow_control))) { /* return the cancel routine */ - list_del(&cb_pos->cb_list); + list_del(&cb_pos->list); return -EBADMSG; } @@ -836,10 +829,10 @@ static int _mei_irq_thread_read(struct mei_device *dev, s32 *slots, if (mei_send_flow_control(dev, cl)) { cl->status = -ENODEV; cb_pos->buf_idx = 0; - list_move_tail(&cb_pos->cb_list, &cmpl_list->mei_cb.cb_list); + list_move_tail(&cb_pos->list, &cmpl_list->list); return -ENODEV; } - list_move_tail(&cb_pos->cb_list, &dev->read_list.mei_cb.cb_list); + list_move_tail(&cb_pos->list, &dev->read_list.list); return 0; } @@ -859,12 +852,12 @@ static int _mei_irq_thread_read(struct mei_device *dev, s32 *slots, static int _mei_irq_thread_ioctl(struct mei_device *dev, s32 *slots, struct mei_cl_cb *cb_pos, struct mei_cl *cl, - struct mei_io_list *cmpl_list) + struct mei_cl_cb *cmpl_list) { if ((*slots * sizeof(u32)) < (sizeof(struct mei_msg_hdr) + sizeof(struct hbm_client_connect_request))) { /* return the cancel routine */ - list_del(&cb_pos->cb_list); + list_del(&cb_pos->list); return -EBADMSG; } @@ -873,11 +866,10 @@ static int _mei_irq_thread_ioctl(struct mei_device *dev, s32 *slots, if (mei_connect(dev, cl)) { cl->status = -ENODEV; cb_pos->buf_idx = 0; - list_del(&cb_pos->cb_list); + list_del(&cb_pos->list); return -ENODEV; } else { - list_move_tail(&cb_pos->cb_list, - &dev->ctrl_rd_list.mei_cb.cb_list); + list_move_tail(&cb_pos->list, &dev->ctrl_rd_list.list); cl->timer_count = MEI_CONNECT_TIMEOUT; } return 0; @@ -897,7 +889,7 @@ static int _mei_irq_thread_ioctl(struct mei_device *dev, s32 *slots, static int _mei_irq_thread_cmpl(struct mei_device *dev, s32 *slots, struct mei_cl_cb *cb_pos, struct mei_cl *cl, - struct mei_io_list *cmpl_list) + struct mei_cl_cb *cmpl_list) { struct mei_msg_hdr *mei_hdr; @@ -924,16 +916,14 @@ static int _mei_irq_thread_cmpl(struct mei_device *dev, s32 *slots, cb_pos->buf_idx), mei_hdr->length)) { cl->status = -ENODEV; - list_move_tail(&cb_pos->cb_list, - &cmpl_list->mei_cb.cb_list); + list_move_tail(&cb_pos->list, &cmpl_list->list); return -ENODEV; } else { if (mei_flow_ctrl_reduce(dev, cl)) return -ENODEV; cl->status = 0; cb_pos->buf_idx += mei_hdr->length; - list_move_tail(&cb_pos->cb_list, - &dev->write_waiting_list.mei_cb.cb_list); + list_move_tail(&cb_pos->list, &dev->write_waiting_list.list); } } else if (*slots == dev->hbuf_depth) { /* buffer is still empty */ @@ -951,8 +941,7 @@ static int _mei_irq_thread_cmpl(struct mei_device *dev, s32 *slots, cb_pos->buf_idx), mei_hdr->length)) { cl->status = -ENODEV; - list_move_tail(&cb_pos->cb_list, - &cmpl_list->mei_cb.cb_list); + list_move_tail(&cb_pos->list, &cmpl_list->list); return -ENODEV; } else { cb_pos->buf_idx += mei_hdr->length; @@ -988,7 +977,7 @@ static int _mei_irq_thread_cmpl(struct mei_device *dev, s32 *slots, static int _mei_irq_thread_cmpl_iamthif(struct mei_device *dev, s32 *slots, struct mei_cl_cb *cb_pos, struct mei_cl *cl, - struct mei_io_list *cmpl_list) + struct mei_cl_cb *cmpl_list) { struct mei_msg_hdr *mei_hdr; @@ -1011,7 +1000,7 @@ static int _mei_irq_thread_cmpl_iamthif(struct mei_device *dev, s32 *slots, mei_hdr->length)) { dev->iamthif_state = MEI_IAMTHIF_IDLE; cl->status = -ENODEV; - list_del(&cb_pos->cb_list); + list_del(&cb_pos->list); return -ENODEV; } else { if (mei_flow_ctrl_reduce(dev, cl)) @@ -1023,8 +1012,7 @@ static int _mei_irq_thread_cmpl_iamthif(struct mei_device *dev, s32 *slots, dev->iamthif_flow_control_pending = true; /* save iamthif cb sent to amthi client */ dev->iamthif_current_cb = cb_pos; - list_move_tail(&cb_pos->cb_list, - &dev->write_waiting_list.mei_cb.cb_list); + list_move_tail(&cb_pos->list, &dev->write_waiting_list.list); } } else if (*slots == dev->hbuf_depth) { @@ -1044,7 +1032,7 @@ static int _mei_irq_thread_cmpl_iamthif(struct mei_device *dev, s32 *slots, dev->iamthif_msg_buf_index), mei_hdr->length)) { cl->status = -ENODEV; - list_del(&cb_pos->cb_list); + list_del(&cb_pos->list); } else { dev->iamthif_msg_buf_index += mei_hdr->length; } @@ -1066,7 +1054,7 @@ static int _mei_irq_thread_cmpl_iamthif(struct mei_device *dev, s32 *slots, * * returns 0 on success, <0 on failure. */ -static int mei_irq_thread_read_handler(struct mei_io_list *cmpl_list, +static int mei_irq_thread_read_handler(struct mei_cl_cb *cmpl_list, struct mei_device *dev, s32 *slots) { @@ -1169,14 +1157,13 @@ end: * * returns 0 on success, <0 on failure. */ -static int mei_irq_thread_write_handler(struct mei_io_list *cmpl_list, - struct mei_device *dev, - s32 *slots) +static int mei_irq_thread_write_handler(struct mei_cl_cb *cmpl_list, + struct mei_device *dev, s32 *slots) { struct mei_cl *cl; struct mei_cl_cb *pos = NULL, *next = NULL; - struct mei_io_list *list; + struct mei_cl_cb *list; int ret; if (!mei_hbuf_is_empty(dev)) { @@ -1191,20 +1178,19 @@ static int mei_irq_thread_write_handler(struct mei_io_list *cmpl_list, dev_dbg(&dev->pdev->dev, "complete all waiting for write cb.\n"); list = &dev->write_waiting_list; - list_for_each_entry_safe(pos, next, &list->mei_cb.cb_list, cb_list) { + list_for_each_entry_safe(pos, next, &list->list, list) { cl = (struct mei_cl *)pos->file_private; if (cl == NULL) continue; cl->status = 0; - list_del(&pos->cb_list); + list_del(&pos->list); if (MEI_WRITING == cl->writing_state && (pos->major_file_operations == MEI_WRITE) && (cl != &dev->iamthif_cl)) { dev_dbg(&dev->pdev->dev, "MEI WRITE COMPLETE\n"); cl->writing_state = MEI_WRITE_COMPLETE; - list_add_tail(&pos->cb_list, - &cmpl_list->mei_cb.cb_list); + list_add_tail(&pos->list, &cmpl_list->list); } if (cl == &dev->iamthif_cl) { dev_dbg(&dev->pdev->dev, "check iamthif flow control.\n"); @@ -1250,11 +1236,10 @@ static int mei_irq_thread_write_handler(struct mei_io_list *cmpl_list, /* complete control write list CB */ dev_dbg(&dev->pdev->dev, "complete control write list cb.\n"); - list_for_each_entry_safe(pos, next, - &dev->ctrl_wr_list.mei_cb.cb_list, cb_list) { + list_for_each_entry_safe(pos, next, &dev->ctrl_wr_list.list, list) { cl = (struct mei_cl *) pos->file_private; if (!cl) { - list_del(&pos->cb_list); + list_del(&pos->list); return -ENODEV; } switch (pos->major_file_operations) { @@ -1289,8 +1274,7 @@ static int mei_irq_thread_write_handler(struct mei_io_list *cmpl_list, } /* complete write list CB */ dev_dbg(&dev->pdev->dev, "complete write list cb.\n"); - list_for_each_entry_safe(pos, next, - &dev->write_list.mei_cb.cb_list, cb_list) { + list_for_each_entry_safe(pos, next, &dev->write_list.list, list) { cl = (struct mei_cl *)pos->file_private; if (cl == NULL) continue; @@ -1410,16 +1394,15 @@ void mei_timer(struct work_struct *work) dev_dbg(&dev->pdev->dev, "freeing AMTHI for other requests\n"); - amthi_complete_list = &dev->amthi_read_complete_list. - mei_cb.cb_list; + amthi_complete_list = &dev->amthi_read_complete_list.list; - list_for_each_entry_safe(cb_pos, cb_next, amthi_complete_list, cb_list) { + list_for_each_entry_safe(cb_pos, cb_next, amthi_complete_list, list) { cl_pos = cb_pos->file_object->private_data; /* Finding the AMTHI entry. */ if (cl_pos == &dev->iamthif_cl) - list_del(&cb_pos->cb_list); + list_del(&cb_pos->list); } if (dev->iamthif_current_cb) mei_free_cb_private(dev->iamthif_current_cb); @@ -1450,7 +1433,7 @@ out: irqreturn_t mei_interrupt_thread_handler(int irq, void *dev_id) { struct mei_device *dev = (struct mei_device *) dev_id; - struct mei_io_list complete_list; + struct mei_cl_cb complete_list; struct mei_cl_cb *cb_pos = NULL, *cb_next = NULL; struct mei_cl *cl; s32 slots; @@ -1530,14 +1513,13 @@ end: wake_up_interruptible(&dev->wait_recvd_msg); bus_message_received = false; } - if (list_empty(&complete_list.mei_cb.cb_list)) + if (list_empty(&complete_list.list)) return IRQ_HANDLED; - list_for_each_entry_safe(cb_pos, cb_next, - &complete_list.mei_cb.cb_list, cb_list) { + list_for_each_entry_safe(cb_pos, cb_next, &complete_list.list, list) { cl = (struct mei_cl *)cb_pos->file_private; - list_del(&cb_pos->cb_list); + list_del(&cb_pos->list); if (cl) { if (cl != &dev->iamthif_cl) { dev_dbg(&dev->pdev->dev, "completing call back.\n"); diff --git a/drivers/misc/mei/iorw.c b/drivers/misc/mei/iorw.c index 20652e140c43..4ff9eaf2add9 100644 --- a/drivers/misc/mei/iorw.c +++ b/drivers/misc/mei/iorw.c @@ -104,7 +104,7 @@ int mei_ioctl_connect_client(struct file *file, rets = -ENOMEM; goto end; } - INIT_LIST_HEAD(&cb->cb_list); + mei_io_list_init(cb); cb->major_file_operations = MEI_IOCTL; @@ -193,9 +193,7 @@ int mei_ioctl_connect_client(struct file *file, dev_dbg(&dev->pdev->dev, "Sending connect message - succeeded\n"); cl->timer_count = MEI_CONNECT_TIMEOUT; cb->file_private = cl; - list_add_tail(&cb->cb_list, - &dev->ctrl_rd_list.mei_cb. - cb_list); + list_add_tail(&cb->list, &dev->ctrl_rd_list.list); } @@ -203,8 +201,7 @@ int mei_ioctl_connect_client(struct file *file, dev_dbg(&dev->pdev->dev, "Queuing the connect request due to device busy\n"); cb->file_private = cl; dev_dbg(&dev->pdev->dev, "add connect cb to control write list.\n"); - list_add_tail(&cb->cb_list, - &dev->ctrl_wr_list.mei_cb.cb_list); + list_add_tail(&cb->list, &dev->ctrl_wr_list.list); } mutex_unlock(&dev->device_lock); err = wait_event_timeout(dev->wait_recvd_msg, @@ -255,7 +252,7 @@ struct mei_cl_cb *find_amthi_read_list_entry( struct mei_cl_cb *next = NULL; list_for_each_entry_safe(pos, next, - &dev->amthi_read_complete_list.mei_cb.cb_list, cb_list) { + &dev->amthi_read_complete_list.list, list) { cl_temp = (struct mei_cl *)pos->file_private; if (cl_temp && cl_temp == &dev->iamthif_cl && pos->file_object == file) @@ -340,17 +337,17 @@ int amthi_read(struct mei_device *dev, struct file *file, if (time_after(jiffies, timeout)) { dev_dbg(&dev->pdev->dev, "amthi Time out\n"); /* 15 sec for the message has expired */ - list_del(&cb->cb_list); + list_del(&cb->list); rets = -ETIMEDOUT; goto free; } } /* if the whole message will fit remove it from the list */ if (cb->buf_idx >= *offset && length >= (cb->buf_idx - *offset)) - list_del(&cb->cb_list); + list_del(&cb->list); else if (cb->buf_idx > 0 && cb->buf_idx <= *offset) { /* end of the message has been reached */ - list_del(&cb->cb_list); + list_del(&cb->list); rets = 0; goto free; } @@ -441,9 +438,9 @@ int mei_start_read(struct mei_device *dev, struct mei_cl *cl) rets = -ENODEV; goto unlock; } - list_add_tail(&cb->cb_list, &dev->read_list.mei_cb.cb_list); + list_add_tail(&cb->list, &dev->read_list.list); } else { - list_add_tail(&cb->cb_list, &dev->ctrl_wr_list.mei_cb.cb_list); + list_add_tail(&cb->list, &dev->ctrl_wr_list.list); } return rets; unlock: @@ -510,13 +507,11 @@ int amthi_write(struct mei_device *dev, struct mei_cl_cb *cb) dev_dbg(&dev->pdev->dev, "add amthi cb to write waiting list\n"); dev->iamthif_current_cb = cb; dev->iamthif_file_object = cb->file_object; - list_add_tail(&cb->cb_list, - &dev->write_waiting_list.mei_cb.cb_list); + list_add_tail(&cb->list, &dev->write_waiting_list.list); } else { dev_dbg(&dev->pdev->dev, "message does not complete, " "so add amthi cb to write list.\n"); - list_add_tail(&cb->cb_list, - &dev->write_list.mei_cb.cb_list); + list_add_tail(&cb->list, &dev->write_list.list); } } else { if (!(dev->mei_host_buffer_is_empty)) @@ -524,7 +519,7 @@ int amthi_write(struct mei_device *dev, struct mei_cl_cb *cb) dev_dbg(&dev->pdev->dev, "No flow control credentials, " "so add iamthif cb to write list.\n"); - list_add_tail(&cb->cb_list, &dev->write_list.mei_cb.cb_list); + list_add_tail(&cb->list, &dev->write_list.list); } return 0; } @@ -556,9 +551,8 @@ void mei_run_next_iamthif_cmd(struct mei_device *dev) dev_dbg(&dev->pdev->dev, "complete amthi cmd_list cb.\n"); - list_for_each_entry_safe(pos, next, - &dev->amthi_cmd_list.mei_cb.cb_list, cb_list) { - list_del(&pos->cb_list); + list_for_each_entry_safe(pos, next, &dev->amthi_cmd_list.list, list) { + list_del(&pos->list); cl_tmp = (struct mei_cl *)pos->file_private; if (cl_tmp && cl_tmp == &dev->iamthif_cl) { diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c index 8dcf59d43b0d..2e46291b8b71 100644 --- a/drivers/misc/mei/main.c +++ b/drivers/misc/mei/main.c @@ -111,12 +111,12 @@ static bool mei_clear_list(struct mei_device *dev, bool removed = false; /* list all list member */ - list_for_each_entry_safe(cb_pos, cb_next, mei_cb_list, cb_list) { + list_for_each_entry_safe(cb_pos, cb_next, mei_cb_list, list) { file_temp = (struct file *)cb_pos->file_object; /* check if list member associated with a file */ if (file_temp == file) { /* remove member from the list */ - list_del(&cb_pos->cb_list); + list_del(&cb_pos->list); /* check if cb equal to current iamthif cb */ if (dev->iamthif_current_cb == cb_pos) { dev->iamthif_current_cb = NULL; @@ -148,20 +148,20 @@ static bool mei_clear_lists(struct mei_device *dev, struct file *file) bool removed = false; /* remove callbacks associated with a file */ - mei_clear_list(dev, file, &dev->amthi_cmd_list.mei_cb.cb_list); + mei_clear_list(dev, file, &dev->amthi_cmd_list.list); if (mei_clear_list(dev, file, - &dev->amthi_read_complete_list.mei_cb.cb_list)) + &dev->amthi_read_complete_list.list)) removed = true; - mei_clear_list(dev, file, &dev->ctrl_rd_list.mei_cb.cb_list); + mei_clear_list(dev, file, &dev->ctrl_rd_list.list); - if (mei_clear_list(dev, file, &dev->ctrl_wr_list.mei_cb.cb_list)) + if (mei_clear_list(dev, file, &dev->ctrl_wr_list.list)) removed = true; - if (mei_clear_list(dev, file, &dev->write_waiting_list.mei_cb.cb_list)) + if (mei_clear_list(dev, file, &dev->write_waiting_list.list)) removed = true; - if (mei_clear_list(dev, file, &dev->write_list.mei_cb.cb_list)) + if (mei_clear_list(dev, file, &dev->write_list.list)) removed = true; /* check if iamthif_current_cb not NULL */ @@ -192,8 +192,7 @@ static struct mei_cl_cb *find_read_list_entry( struct mei_cl_cb *next = NULL; dev_dbg(&dev->pdev->dev, "remove read_list CB\n"); - list_for_each_entry_safe(pos, next, - &dev->read_list.mei_cb.cb_list, cb_list) { + list_for_each_entry_safe(pos, next, &dev->read_list.list, list) { struct mei_cl *cl_temp; cl_temp = (struct mei_cl *)pos->file_private; @@ -324,7 +323,7 @@ static int mei_release(struct inode *inode, struct file *file) cb = find_read_list_entry(dev, cl); /* Remove entry from read list */ if (cb) - list_del(&cb->cb_list); + list_del(&cb->list); cb = cl->read_cb; cl->read_cb = NULL; @@ -504,7 +503,7 @@ free: cb_pos = find_read_list_entry(dev, cl); /* Remove entry from read list */ if (cb_pos) - list_del(&cb_pos->cb_list); + list_del(&cb_pos->list); mei_free_cb_private(cb); cl->reading_state = MEI_IDLE; cl->read_cb = NULL; @@ -534,7 +533,7 @@ static struct mei_cl_cb *mei_io_cb_init(struct mei_cl *cl, struct file *fp) if (!cb) return NULL; - INIT_LIST_HEAD(&cb->cb_list); + mei_io_list_init(cb); cb->file_object = fp; cb->file_private = cl; @@ -651,7 +650,7 @@ static ssize_t mei_write(struct file *file, const char __user *ubuf, if (time_after(jiffies, timeout) || cl->reading_state == MEI_READ_COMPLETE) { *offset = 0; - list_del(&write_cb->cb_list); + list_del(&write_cb->list); mei_free_cb_private(write_cb); write_cb = NULL; } @@ -663,7 +662,7 @@ static ssize_t mei_write(struct file *file, const char __user *ubuf, *offset = 0; write_cb = find_read_list_entry(dev, cl); if (write_cb) { - list_del(&write_cb->cb_list); + list_del(&write_cb->list); mei_free_cb_private(write_cb); write_cb = NULL; cl->reading_state = MEI_IDLE; @@ -707,13 +706,12 @@ static ssize_t mei_write(struct file *file, const char __user *ubuf, write_cb->major_file_operations = MEI_IOCTL; - if (!list_empty(&dev->amthi_cmd_list.mei_cb.cb_list) || + if (!list_empty(&dev->amthi_cmd_list.list) || dev->iamthif_state != MEI_IAMTHIF_IDLE) { dev_dbg(&dev->pdev->dev, "amthi_state = %d\n", (int) dev->iamthif_state); dev_dbg(&dev->pdev->dev, "add amthi cb to amthi cmd waiting list\n"); - list_add_tail(&write_cb->cb_list, - &dev->amthi_cmd_list.mei_cb.cb_list); + list_add_tail(&write_cb->list, &dev->amthi_cmd_list.list); } else { dev_dbg(&dev->pdev->dev, "call amthi write\n"); rets = amthi_write(dev, write_cb); @@ -764,19 +762,16 @@ static ssize_t mei_write(struct file *file, const char __user *ubuf, rets = -ENODEV; goto unlock_dev; } - list_add_tail(&write_cb->cb_list, - &dev->write_waiting_list.mei_cb.cb_list); + list_add_tail(&write_cb->list, &dev->write_waiting_list.list); } else { - list_add_tail(&write_cb->cb_list, - &dev->write_list.mei_cb.cb_list); + list_add_tail(&write_cb->list, &dev->write_list.list); } } else { write_cb->buf_idx = 0; cl->writing_state = MEI_WRITING; - list_add_tail(&write_cb->cb_list, - &dev->write_list.mei_cb.cb_list); + list_add_tail(&write_cb->list, &dev->write_list.list); } mutex_unlock(&dev->device_lock); return length; diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h index c58b6fa06c07..de5babc5c8ee 100644 --- a/drivers/misc/mei/mei_dev.h +++ b/drivers/misc/mei/mei_dev.h @@ -144,7 +144,7 @@ struct mei_message_data { struct mei_cl_cb { - struct list_head cb_list; + struct list_head list; enum mei_cb_major_types major_file_operations; void *file_private; struct mei_message_data request_buffer; @@ -175,10 +175,6 @@ struct mei_cl { struct mei_cl_cb *read_cb; }; -struct mei_io_list { - struct mei_cl_cb mei_cb; -}; - /** * struct mei_deive - MEI private device struct * @hbuf_depth - depth of host(write) buffer @@ -189,15 +185,15 @@ struct mei_device { * lists of queues */ /* array of pointers to aio lists */ - struct mei_io_list read_list; /* driver read queue */ - struct mei_io_list write_list; /* driver write queue */ - struct mei_io_list write_waiting_list; /* write waiting queue */ - struct mei_io_list ctrl_wr_list; /* managed write IOCTL list */ - struct mei_io_list ctrl_rd_list; /* managed read IOCTL list */ - struct mei_io_list amthi_cmd_list; /* amthi list for cmd waiting */ + struct mei_cl_cb read_list; /* driver read queue */ + struct mei_cl_cb write_list; /* driver write queue */ + struct mei_cl_cb write_waiting_list; /* write waiting queue */ + struct mei_cl_cb ctrl_wr_list; /* managed write IOCTL list */ + struct mei_cl_cb ctrl_rd_list; /* managed read IOCTL list */ + struct mei_cl_cb amthi_cmd_list; /* amthi list for cmd waiting */ /* driver managed amthi list for reading completed amthi cmd data */ - struct mei_io_list amthi_read_complete_list; + struct mei_cl_cb amthi_read_complete_list; /* * list of files */ @@ -297,8 +293,16 @@ int mei_me_cl_by_id(struct mei_device *dev, u8 client_id); /* * MEI IO List Functions */ -void mei_io_list_init(struct mei_io_list *list); -void mei_io_list_flush(struct mei_io_list *list, struct mei_cl *cl); +/** + * mei_io_list_init - Sets up a queue list. + * + * @list: An instance cl callback structure + */ +static inline void mei_io_list_init(struct mei_cl_cb *list) +{ + INIT_LIST_HEAD(&list->list); +} +void mei_io_list_flush(struct mei_cl_cb *list, struct mei_cl *cl); /* * MEI ME Client Functions